Home / 7,022.25-10,535.11-2,091.87

Finding the Fourth Proportional to 7,022.25, 10,535.11 and 2,091.87

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Solution

The fourth proportional to 7,022.25, 10,535.11 and 2,091.87 is: 3,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.25 : 10,535.11 = 2,091.87 : x
  2. Step 2: Convert to fraction form
    7,022.25/10,535.11 = 2,091.87/x
  3. Step 3: Cross multiply
    7,022.25x = 10,535.11 × 2,091.87
  4. Step 4: Simplify right side
    7,022.25x = 22,038,075.33
  5. Step 5: Solve for x
    x = 22,038,075.33/7,022.25
  6. Step 6: Final answer
    x = 3,138.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.